674337025 has 24 divisors (see below), whose sum is σ = 860915384. Its totient is φ = 523584000.

The previous prime is 674336941. The next prime is 674337043. The reversal of 674337025 is 520733476.

It is a Cunningham number, because it is equal to 25968²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 107516161 + 566820864 = 10369^2 + 23808^2 .

It is not a de Polignac number, because 674337025 - 2¹¹ = 674334977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555319 + ... + 556531.

Almost surely, 2^674337025 is an apocalyptic number.

It is an amenable number.

674337025 is a deficient number, since it is larger than the sum of its proper divisors (186578359).

674337025 is a wasteful number, since it uses less digits than its factorization.

674337025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 674337025 is about 25968.0000192545. Note that the first 4 decimals coincide. The cubic root of 674337025 is about 876.9180346967.

The spelling of 674337025 in words is "six hundred seventy-four million, three hundred thirty-seven thousand, twenty-five".